Oil injector



FIG. 1 is a top, front, right perspective view of an oil injector showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is an enlarged view of the circled area in FIG. 1;

FIG. 9 is an enlarged of the circled area in view of FIG. 2;

FIG. 10 is a top, front, right perspective view showing the oil injector in use; and,

FIG. 11 is another top, front, right perspective view showing the oil injector in use.

The broken lines in the drawings illustrate portions of the oil injector which form no part of the claimed design. 

CLAIM I claim the ornamental design for an oil injector, as shown and described. 